Air cylinder



FIG. 1 is a front elevational view of an air cylinder showing my newdesign;

FIG. 2 is a rear elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a right, front and top perspective view;

FIG. 6 is a right side elevational view of an air cylinder showing asecond embodiment of my new design, the only difference from theembodiment shown in FIGS. 1 through 5 being the variation in length;

FIG. 7 is a right side elevational view of an air cylinder showing athird embodiment of my new design, the only difference from theembodiment shown in FIGS. 1 through 5 being the variation in length;

FIG. 8 is a top plan view of FIG. 1;

FIG. 9 is a bottom plan view of FIG. 1;

FIG. 10 is a cross sectional view taken along lines 10--10 of FIG. 3;and,

FIG. 11 is a cross sectional view taken along lines 11--11 of FIG. 1.

The ornamental design for an air cylinder, as shown and described.